Description: Use source-map-js instead of source-map
 source-map >= 0.7 has an async API which is incompatible.
 source-map-js is a synchronous fork of source-map 0.6.
Forwarded: not-needed

--- a/index.js
+++ b/index.js
@@ -1,6 +1,6 @@
 'use strict';
-var SourceMapGenerator = require('source-map').SourceMapGenerator;
-var SourceMapConsumer = require('source-map').SourceMapConsumer;
+var SourceMapGenerator = require('source-map-js').SourceMapGenerator;
+var SourceMapConsumer = require('source-map-js').SourceMapConsumer;
 
 function unixStylePath(filePath) {
   return filePath.replace(/\\/g, '/');